For accurate measurements, the Watermeter always needs power from batteries or the included USB cable. The following issues can cause inaccurate readings:
After a software update, the measurement takes around 1 minute to become active.
When connecting or replacing the batteries or USB cable, the Watermeter performs a 5-litre calibration.
A power outage may cause the Watermeter to stop working temporarily.
The USB adapter may be faulty, even if the light is on. Try using a different adapter.
Are you still seeing inaccurate readings after these checks? Recalibration may be needed. To calibrate the sensor, go to Settings > Meters > Watermeter > ••• (top right) > Calibrate sensor in the app.
Using batteries? After starting the calibration, press the button on the Watermeter.
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